21
by Vierdag, E. W.
Published 1973
Springer Netherlands

23
by Kunz, Josef L.
Published 1935
Springer Berlin Heidelberg

24
by Nine, Cara
Published 2012
Oxford University Press

25
Published 2013
Oxford University Press

26
by Niedermayer, Oskar
Published 1995
Oxford University Press

27
by Fabry, Mikulas
Published 2010
Oxford University Press

28
by Butt, Daniel
Published 2009
Oxford University Press

29
by Bartolini, Stefano
Published 2005
Oxford University Press

30
by Armstrong, J. D.
Published 1993
Clarendon

31
by McKay, David H.
Published 1996
Clarendon

32
by Wheeler, Nicholas J.
Published 2000
Oxford University Press

33
by Goodman, Ryan, Jinks, Derek
Published 2013
Oxford University Press

34
by Lantis, Jeffrey S.
Published 2009
Oxford University Press

35
by Altman, Andrew
Published 2009
Oxford University Press

36
by Trondal, Jarle
Published 2010
Oxford University Press

37
by Bailey, Sydney Dawson
Published 1998
Clarendon

38
by Planzer, Simon
Published 2014
Springer International Publishing

39
by Crawshaw, Ralph
Published 2006
Martinus Nijhoff Publishers

40
by Arnold, Roberta
Published 2006
Transnational Publishers